Calculators

Calculates the relative risk, comparing the probability of an outcome in an exposed group to the probability in an unexposed group.

Calculates the amount of sunscreen needed for a trip based on the number of people, days, and estimated sun exposure.

Assesses the risk for metabolic syndrome based on key health indicators.

Calculates the ratio of total cholesterol to HDL ('good') cholesterol, assessing cardiovascular risk.

Estimates how long an oxygen tank will last based on its size, pressure, and flow rate.

Calculates the corrected QT interval (QTc) on an ECG, adjusting for heart rate, to assess the risk of arrhythmias.

Calculates the Glasgow Coma Scale (GCS) score, assessing the level of consciousness based on eye, verbal, and motor responses.

Calculates appropriate medication dosages for children based on weight or body surface area.

Estimates the baby's expected delivery date based on the last menstrual period (LMP) or conception date.

Estimates the percentage of alcohol in the bloodstream based on drinks consumed, weight, gender, and time.